Until now the dark mode didn’t arrive to WhatsApp for iPhone, but you still can enable the dark mode on your WhatsApp by following an easy steps to get the dark WhatsApp. Whatever your iPhone version is you will be able to activate the dark mode on WhatsApp. You can use this method till the official dark mode launches to iOS.
If your iPhone has iOS 13 or higher to the latest version, follow the next steps:
After you apply those steps go to your WhatsApp and you will find it has changed to the dark mode as you can see in the image below:
If your iPhone has iOS 12 or lower, follow the next steps:
If you would like to activate the dark mode for WhatsApp only without the other applications on iOS, the only way to do that is by downloading WhatsApp Plus, this application has additional and one of them is the dark mode for WhatsApp, you can enable it from the setting of WhatsApp plus.